Through the lens: Civil war in Syria

In this Saturday, Dec. 15, 2012 photo, a Free Syrian Army fighter takes cover during heavy clashes with government forces at a military academy besieged by the rebels north of Aleppo, Syria. Free Syrian Army fighters took control over the military academy after battling government forces for several hours.

Narciso Contreras/ASSOCIATED PRESS

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In this Saturday, Dec. 15, 2012 photo, a Free Syrian Army fighter takes cover during heavy clashes with government forces at a military academy besieged by the rebels north of Aleppo, Syria. Free Syrian Army fighters took control over the military academy after battling government forces for several hours.